METB_MYCBO
ID METB_MYCBO Reviewed; 388 AA.
AC P66876; A0A1R3XXA4; O53427; X2BGV2;
DT 11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT 11-OCT-2004, sequence version 1.
DT 25-MAY-2022, entry version 99.
DE RecName: Full=Cystathionine gamma-synthase;
DE Short=CGS;
DE EC=2.5.1.48;
DE AltName: Full=O-succinylhomoserine (thiol)-lyase;
GN Name=metB; OrderedLocusNames=BQ2027_MB1108;
OS Mycobacterium bovis (strain ATCC BAA-935 / AF2122/97).
OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC Mycobacterium; Mycobacterium tuberculosis complex.
OX NCBI_TaxID=233413;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-935 / AF2122/97;
RX PubMed=12788972; DOI=10.1073/pnas.1130426100;
RA Garnier T., Eiglmeier K., Camus J.-C., Medina N., Mansoor H., Pryor M.,
RA Duthoy S., Grondin S., Lacroix C., Monsempe C., Simon S., Harris B.,
RA Atkin R., Doggett J., Mayes R., Keating L., Wheeler P.R., Parkhill J.,
RA Barrell B.G., Cole S.T., Gordon S.V., Hewinson R.G.;
RT "The complete genome sequence of Mycobacterium bovis.";
RL Proc. Natl. Acad. Sci. U.S.A. 100:7877-7882(2003).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND GENOME REANNOTATION.
RC STRAIN=ATCC BAA-935 / AF2122/97;
RX PubMed=28385856; DOI=10.1128/genomea.00157-17;
RA Malone K.M., Farrell D., Stuber T.P., Schubert O.T., Aebersold R.,
RA Robbe-Austerman S., Gordon S.V.;
RT "Updated reference genome sequence and annotation of Mycobacterium bovis
RT AF2122/97.";
RL Genome Announc. 5:E00157-E00157(2017).
CC -!- FUNCTION: Catalyzes the formation of L-cystathionine from O-succinyl-L-
CC homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In
CC the absence of thiol, catalyzes gamma-elimination to form 2-
CC oxobutanoate, succinate and ammonia (By similarity). {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-cysteine + O-succinyl-L-homoserine = H(+) + L,L-
CC cystathionine + succinate; Xref=Rhea:RHEA:20397, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30031, ChEBI:CHEBI:35235, ChEBI:CHEBI:57661,
CC ChEBI:CHEBI:58161; EC=2.5.1.48;
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000250};
CC Note=Binds 1 pyridoxal phosphate per subunit. {ECO:0000250};
CC -!- SUBUNIT: Homotetramer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the trans-sulfuration enzymes family.
CC {ECO:0000305}.
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DR EMBL; LT708304; SIT99707.1; -; Genomic_DNA.
DR RefSeq; NP_854763.1; NC_002945.3.
DR RefSeq; WP_003405736.1; NC_002945.4.
DR AlphaFoldDB; P66876; -.
DR SMR; P66876; -.
DR EnsemblBacteria; SIT99707; SIT99707; BQ2027_MB1108.
DR GeneID; 45425051; -.
DR PATRIC; fig|233413.5.peg.1209; -.
DR OMA; YKQDGVG; -.
DR Proteomes; UP000001419; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003962; F:cystathionine gamma-synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0102028; F:cystathionine gamma-synthase activity (acts on O-phosphohomoserine); IEA:UniProtKB-EC.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0019346; P:transsulfuration; IEA:InterPro.
DR CDD; cd00614; CGS_like; 1.
DR Gene3D; 3.40.640.10; -; 1.
DR Gene3D; 3.90.1150.10; -; 1.
DR InterPro; IPR000277; Cys/Met-Metab_PyrdxlP-dep_enz.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR PANTHER; PTHR11808; PTHR11808; 1.
DR Pfam; PF01053; Cys_Met_Meta_PP; 1.
DR PIRSF; PIRSF001434; CGS; 1.
DR SUPFAM; SSF53383; SSF53383; 1.
DR PROSITE; PS00868; CYS_MET_METAB_PP; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Cytoplasm; Methionine biosynthesis;
KW Pyridoxal phosphate; Transferase.
FT CHAIN 1..388
FT /note="Cystathionine gamma-synthase"
FT /id="PRO_0000114763"
FT REGION 1..24
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT MOD_RES 208
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000250"
SQ SEQUENCE 388 AA; 40982 MW; B6D9C0F78F3EAE71 CRC64;
MSEDRTGHQG ISGPATRAIH AGYRPDPATG AVNVPIYASS TFAQDGVGGL RGGFEYARTG
NPTRAALEAS LAAVEEGAFA RAFSSGMAAT DCALRAMLRP GDHVVIPDDA YGGTFRLIDK
VFTRWDVQYT PVRLADLDAV GAAITPRTRL IWVETPTNPL LSIADITAIA ELGTDRSAKV
LVDNTFASPA LQQPLRLGAD VVLHSTTKYI GGHSDVVGGA LVTNDEELDE EFAFLQNGAG
AVPGPFDAYL TMRGLKTLVL RMQRHSENAC AVAEFLADHP SVSSVLYPGL PSHPGHEIAA
RQMRGFGGMV SVRMRAGRRA AQDLCAKTRV FILAESLGGV ESLIEHPSAM THASTAGSQL
EVPDDLVRLS VGIEDIADLL GDLEQALG
